Year % gross 1970 1.14306998252869 1971 1.14708995819092 1972 1.18513000011444 1973 1.20811998844147 1974 1.31955003738403 1975 1.43340003490448 1976 1.59398996829987 1977 1.73101997375488 1978 1.98644995689392 1979 2.55123996734619 1980 3.07013010978699 1981 3.60660004615784 1982 3.92123007774353 1983 3.91637992858887 1984 4.01930999755859 1985 4.12636995315552 1986 4.46623992919922 1987 4.78487014770508 1988 4.7296199798584 1989 4.85297012329102 1990 4.86389017105103 1991 4.90434980392456 1992 4.97572994232178 1993 5.221360206604 1994 6.13068008422852 1995 7.05754995346069 1996 7.87314987182617 1997 8.86672019958496 1998 9.60396957397461 1999 10.4339303970337 2000 11.1641998291016 2001 12.3161296844482 2002 14.1248502731323 2003 16.107889175415 2004 17.9102592468262 2005 19.3488903045654 2006 20.7852001190186 2007 21.7926597595215 2008 22.5478401184082 2009 23.889009475708 2010 25.644660949707 2011 27.1504001617432 2012 29.3759002685547 2013 31.9344596862793 2014 39.4694290161133 2015 42.1457901000977 2016 43.9873886108398 2017 44.7720909118652 2018 45.7494010925293 2019 47.9252281188965 2020 51.3587112426758 2021 54.9646911621094 2022 58.0459403991699